CH646230A5 - Signalwandler fuer ein pneumatisches steuersystem. - Google Patents

Signalwandler fuer ein pneumatisches steuersystem. Download PDF

Info

Publication number: CH646230A5
Authority: CH; Switzerland
Prior art keywords: pressure; signal; converter; pneumatic; control signal
Prior art date: 1979-03-01

Application number

CH816980A

Other languages

German (de)

English (en)

Inventor

Arne Jacobsson

Jiri Formanek

Original Assignee

Saab Scania Ab

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1979-03-01

Filing date

1980-02-29

Publication date

1984-11-15

1980-02-29 Application filed by Saab Scania Ab filed Critical Saab Scania Ab

1984-11-15 Publication of CH646230A5 publication Critical patent/CH646230A5/de

Links

238000005452 bending Methods 0.000 description 8
230000001105 regulatory effect Effects 0.000 description 6
239000012530 fluid Substances 0.000 description 4
230000001419 dependent effect Effects 0.000 description 3
230000007774 longterm Effects 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 2
239000013078 crystal Substances 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000003247 decreasing effect Effects 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000000034 method Methods 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
- F15B5/003—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means

Landscapes

Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Engineering & Computer Science (AREA)
General Physics & Mathematics (AREA)
Automation & Control Theory (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Preliminary Treatment Of Fibers (AREA)
Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Paper (AREA)
Transmission And Conversion Of Sensor Element Output (AREA)

CH816980A 1979-03-01 1980-02-29 Signalwandler fuer ein pneumatisches steuersystem. CH646230A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7901841A SE420639B (sv)	1979-03-01	1979-03-01	Signalomvandlare enhet for omvandling av en elektrisk reglersignal till en pneumatisk signal med ett piezoelektrisk element

Publications (1)

Publication Number	Publication Date
CH646230A5 true CH646230A5 (de)	1984-11-15

Family

ID=20337424

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH816980A CH646230A5 (de)	1979-03-01	1980-02-29	Signalwandler fuer ein pneumatisches steuersystem.

Country Status (10)

Country	Link
EP (1)	EP0024409A1 (da)
AT (1)	ATA901680A (da)
CH (1)	CH646230A5 (da)
DE (1)	DE3034326C2 (da)
DK (1)	DK150278B (da)
GB (1)	GB2065331A (da)
NL (1)	NL8020072A (da)
NO (1)	NO803279L (da)
SE (1)	SE420639B (da)
WO (1)	WO1980001826A1 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0102528A3 (en) *	1982-08-16	1984-05-09	The Perkin-Elmer Corporation	Voltage to pressure transducer
AT380934B (de) *	1983-01-13	1986-07-25	Enfo Grundlagen Forschungs Ag	Elektrisch-pneumatischer signalwandler
GB8301053D0 (en) *	1983-01-14	1983-02-16	Vickers Plc	Relief valve assembly
US4509547A (en) *	1983-02-22	1985-04-09	The Babcock & Wilcox Company	Control system for an electro-pneumatic converter
BR8400626A (pt) *	1983-02-24	1984-10-02	Babcock & Wilcox Co	Conjunto auxiliar pneumatico para um conversor eletro-pneumatico
US4492246A (en) *	1983-03-28	1985-01-08	Mcgraw-Edison Company	Solid state current-to-pressure and current-to-motion transducer
USRE33028E (en) *	1983-07-12	1989-08-22	Dresser Industries, Inc.	Electropneumatic transducer system
US4527583A (en) *	1983-07-12	1985-07-09	Dresser Industries, Inc.	Electropneumatic transducer system
JPS61173319A (ja) *	1985-01-26	1986-08-05	Shoketsu Kinzoku Kogyo Co Ltd	流体用レギユレ−タ
DE3532367A1 (de) *	1985-09-11	1987-03-19	Gulde Regelarmaturen Gmbh & Co	Pneumatischer regler
US4665938A (en) *	1986-09-30	1987-05-19	Rosemount Inc.	Frequency feedback on a current loop of a current-to-pressure converter
AT393174B (de) *	1989-05-19	1991-08-26	Enfo Grundlagen Forschungs Ag	Signalwandler
JPH072029B2 (ja) *	1989-06-26	1995-01-11	セイコー電子工業株式会社	超音波モータ
GB9105341D0 (en) *	1991-03-13	1991-04-24	Watson Smith Ltd	I/p converters
DE4240802C2 (de) *	1992-12-01	1997-07-17	Hartmann & Braun Ag	Elektropneumatischer Umformer
GB9611147D0 (en) *	1996-05-29	1996-07-31	Flight Refueling Ltd	A flapper valve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1183778A (fr) *	1956-09-28	1959-07-13	Thomson Houston Comp Francaise	Transducteur à cristal piézoélectrique pour la commande de valves hydrauliques
US3456669A (en) *	1966-10-20	1969-07-22	Fisher Governor Co	Piezoelectric transducer
US3882881A (en) *	1973-01-12	1975-05-13	American Chain & Cable Co	Pneumatic transmitter of electrical phenomena
DE2523600A1 (de) *	1975-05-28	1976-12-09	Bosch Gmbh Robert	Elektrohydraulische steuereinrichtung
GB1551039A (en) *	1976-08-06	1979-08-22	Ici Ltd	Conversion of electric to pneumatic signals

1979
- 1979-03-01 SE SE7901841A patent/SE420639B/sv not_active IP Right Cessation
1980
- 1980-02-29 DE DE3034326T patent/DE3034326C2/de not_active Expired
- 1980-02-29 NL NL8020072A patent/NL8020072A/nl not_active Application Discontinuation
- 1980-02-29 AT AT0901680A patent/ATA901680A/de not_active Application Discontinuation
- 1980-02-29 WO PCT/SE1980/000057 patent/WO1980001826A1/en not_active Ceased
- 1980-02-29 CH CH816980A patent/CH646230A5/de not_active IP Right Cessation
- 1980-02-29 GB GB8105536A patent/GB2065331A/en not_active Withdrawn
- 1980-09-10 EP EP80900444A patent/EP0024409A1/en not_active Withdrawn
- 1980-10-31 DK DK462080AA patent/DK150278B/da unknown
- 1980-10-31 NO NO803279A patent/NO803279L/no unknown

Also Published As

Publication number	Publication date
ATA901680A (de)	1986-05-15
EP0024409A1 (en)	1981-03-11
DK150278B (da)	1987-01-26
GB2065331A (en)	1981-06-24
DK462080A (da)	1980-10-31
SE7901841L (sv)	1980-09-02
SE420639B (sv)	1981-10-19
NO803279L (no)	1980-10-31
DE3034326T1 (de)	1981-04-09
WO1980001826A1 (en)	1980-09-04
DE3034326C2 (de)	1983-11-17
NL8020072A (nl)	1981-04-29

Legal Events

Date	Code	Title	Description
1985-05-31	PUE	Assignment	Owner name: NAF CONTROLS AB
1988-10-31	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
DE3034326C2 (de)	1983-11-17	Signalwandler für ein pneumatisches Steuersystem
DE69400199T2 (de)	1996-10-31	Elektropneumatischer Wandler mit Magnetventilsteuerung
DE2726239A1 (de)	1977-12-22	Fluiddruck-steuerventilbaugruppe
DE2511752A1 (de)	1976-10-07	Signalwandlerstufe
EP0047848B1 (de)	1983-12-14	Druckregelventil
DE2351940C3 (de)	1979-04-05	Druckmeßsonde
DE3220815C2 (de)	1985-02-28	Druckregelvorrichtung für gasförmige und flüssige Strömungsmittel
DE3532592C2 (da)	1991-06-27
EP0085945A1 (de)	1983-08-17	Membranmodul für pneumatische Regelungssysteme
DE1525690C3 (de)	1975-02-20	Gegenstrahlanordnung
DE4106474C2 (de)	1994-02-10	Pneumatischer Druckregler mit Pilotsteuerung
DE1918315A1 (de)	1969-10-23	Vergleichssystem
DE2100289C3 (de)	1979-03-22	Strömungsfühler
DE4134575A1 (de)	1992-04-23	Druckausgleichsventil, insbesondere vorgesteuertes druckausgleichs-folgeventil (logisches ventil)
EP0003722A1 (de)	1979-08-22	Einrichtung zum Ausgleichen und Ueberwachen des Druckes in mindestens zwei Druckräumen, insbesondere in Luftbereifungen eines Fahrzeuges
DE2102681A1 (de)	1971-10-14	Ventil
DE2150118A1 (de)	1972-04-13	Solenoid-Einrichtung
DE3223248A1 (de)	1983-01-13	Verbesserter quarz-differentialdruckwandler
DE2349813A1 (de)	1975-04-17	Mechanisch-elektrisches wandlersystem
DE2008852C3 (de)	1975-03-06	Drossel
DE1675434C (de)	1972-11-30	Ventil zur Steuerung eines Auslaßdrucks
EP0249797A2 (de)	1987-12-23	Druckregelventil
CH585631A5 (en)	1977-03-15	Automatic axle load dependent brake regulator - has transducer sensing axle loading and generating corresp. pneumatic braking pressure
DD255401A1 (de)	1988-03-30	Mess- und/oder dosiereinrichtung
DE2658143A1 (de)	1978-07-06	Druckumformer